Asuka Uzu

Asuka Uzu (渦アスカ Uzu Asuka), also known as the Mysterious Person (謎の人 Nazo no Hito), and Queen Dowager (女王ドウェーガー Joō Douēgā), was the Queen Dowager of the Mizu Kingdom, alleged to be the first immortal Celestial Being roaming the Earth, as well as the first royal of the Mizu Kingdom to engage in an incestious relationship with her cousin-wife, Kushina Uzu; from which four children are born from their union. Born on the long-destroyed Planet Stormborn, she escaped to the Earth around the founding of San Marino, and with skillful usage of her magic separated the Mizu region from the rest of Japan; erecting a barrier over the Kingdom. Long-considered one of the greatest rulers of the Mizu Kingdom, she was imprisoned by her own half-sister`s four children; sired from her wife, the royal-born Japanese Princess, Sakura Zetsubō. This was to prevent the seal from breaking, as a way to insure that the bloodline of the Mizu Royal Family always had magic to reinforce the seal as needed, Asuka in the early days of her reign prevented commoners from marrying her children, and only allowed nobles to marry into the royal lineage. Due to their abundant source of magical energy, this policy quickly became highly popular with Asuka`s close relatives, as well as her distant ones.